The A6 may have aftermarket taillights that are tinted. As far as I know there aren't any aftermarket taillights for the Contours.

Other than that I don't know, I'm sure someone else will chime in.

'95 Contour GL, zetec mtx, drop in K&N, exhaust res removed, 4 10" Kenwoods powered by 1000W Visonik amp, 4 5"x7"/6"x8" Visoniks

"Buy American or apply for Japanese welfare."

www.geocities.com/fordcontour05/contour.html